Thickener Startup & Shutdown Procedure

An EXAMPLE Startup of the thickener may occur under two sets of very different circumstances: After a major plant shutdown or the initial plant start-up, when the thickener is completely empty OR/AND After a shutdown whereby the thickener has been left full of pulp, and rakes and underflow pumps have been inoperative (such as after a … Read more

Thickener Operating pH and Lime for Flocculation & Improved Settling

What flocculant does

  If, for some reason, the thickener’s settling rate is too slow, as in the case of the grind being so fine or you are dealing with clay rich ore and now the concentrate stays in suspension. The thickener could be “sliming” and will produce a dirty overflow combined with a low density underflow. If this is … Read more